Claus, Mistress of Christmas

Vigilance, haste
Whenever this creature deals combat damage to a player, for each 1 damage, roll a D20.
1 / You draw a card.
2-9 / Target player who was dealt damage this
turn loses 1 life.
10-18 / That player loses 2 life instead.
19-20 / All opponents lose 3 life and draw a
card.